Sunspot drawing of 1977-3-9

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https://doi.org/10.7891/e-manuscripta-98858



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1977-03-09
08:00
Hs 1304.5:6239
https://doi.org/10.7891/e-manuscripta-98858
Observer : Araldo Pittini
Seeing (SIDC) : 4
Group Not Weighted Weighted Type Latitude Carrington Longit.
23 3 J 16.6 201.3
24 10 C 20.5 199.4
2 13